Mazda 3 Service Manual: Intermediate Sensor Inspection [FS5 A EL]
On-Vehicle Inspection
1. Inspect the power supply circuit for the intermediate sensor.
a. Set the battery component (ex: battery, battery tray and PCM component) out of the way.
b. Disconnect the intermediate sensor connector.
c. Switch the ignition to ON (engine off).
d. Measure the voltage at intermediate sensor connector terminal A (harness-side).
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If there is any malfunction, repair wiring harness between intermediate sensor and AT main relay.
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Intermediate sensor specification
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B+
e. Switch the ignition to off.
f. Connect the intermediate sensor connector.
2. Inspect the GND circuit for the intermediate sensor.
a. Switch the ignition to off.
b. Measure the voltage at intermediate sensor connector terminal C (harness-side).
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If there is any malfunction, repair wiring harness between intermediate sensor and GND.
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Intermediate sensor specification
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Below 1.0 V
3. Inspect the signal circuit for the intermediate sensor.
a. Connect the oscilloscope to the following TCM connector terminals and set it as below.
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(+) lead: TCM terminal AC
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(-) lead: battery negative terminal
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Oscilloscope setting: 1 V/DIV (Y), 200 μs/DIV (X), DC range
b. Start the engine.
c. Measure the wave form when the following conditions are met.
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Gear position: 3GR
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Vehicle speed: 30 km/h {19 mph}
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If there is any malfunction, replace the intermediate sensor..
Initial Learning [Fw6 A EL]
Introduction
If the control valve body and oil pressure switch are replaced, always perform
the initial learning. If the initial learning is not completed, engine rev-up
may occur or shif ...
Intermediate Sensor Removal/Installation [FS5 A EL]
CAUTION:
If foreign materials are stuck to the sensor, disturbance by magnetic flux
can cause sensor output to be abnormal and thereby negatively affect control.
Make sure that foreign m ...
Other materials:
Accessory Sockets
Only use genuine Mazdaaccessories or the
equivalent requiring no greater than 120 W
(DC 12 V, 10 A).
Type A
The accessory sockets can be used
regardless of whether the ignition is on or
off.
Type B *
The ignition must be switched to ACC or
ON.
With CD Player
Without CD Player
...
Air Intake Actuator Inspection [Full Auto Air Conditioner]
1. Connect battery positive voltage to air intake actuator terminal B (or C),
connect terminal C (or B) to ground, and then verify that the air intake actuator
operates as shown in the table.
If the operation condition is not normal, replace the air intake actuator.
...
Oil Seal (Control Valve Body) Replacement [Fw6 A EL]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the air cleaner component..
4. Disconnect the control valve body connector.
5. Remove the hose clamp.
6. Cut the oil seal using a utility knife as shown in the following illustration.
CAUTION: ...
